Home / 5,642,895.76-7,790,424.12-3,714,761.38

Finding the Fourth Proportional to 5,642,895.76, 7,790,424.12 and 3,714,761.38

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Solution

The fourth proportional to 5,642,895.76, 7,790,424.12 and 3,714,761.38 is: 5,128,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642,895.76 : 7,790,424.12 = 3,714,761.38 : x
  2. Step 2: Convert to fraction form
    5,642,895.76/7,790,424.12 = 3,714,761.38/x
  3. Step 3: Cross multiply
    5,642,895.76x = 7,790,424.12 × 3,714,761.38
  4. Step 4: Simplify right side
    5,642,895.76x = 28,939,566,654,796.48
  5. Step 5: Solve for x
    x = 28,939,566,654,796.48/5,642,895.76
  6. Step 6: Final answer
    x = 5,128,495.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.