Home / 4,887.47-6,743.86-2,898.52

Finding the Fourth Proportional to 4,887.47, 6,743.86 and 2,898.52

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Solution

The fourth proportional to 4,887.47, 6,743.86 and 2,898.52 is: 3,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.47 : 6,743.86 = 2,898.52 : x
  2. Step 2: Convert to fraction form
    4,887.47/6,743.86 = 2,898.52/x
  3. Step 3: Cross multiply
    4,887.47x = 6,743.86 × 2,898.52
  4. Step 4: Simplify right side
    4,887.47x = 19,547,188.98
  5. Step 5: Solve for x
    x = 19,547,188.98/4,887.47
  6. Step 6: Final answer
    x = 3,999.45

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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.