Home / 7,881.44-10,875.95-4,897.24

Finding the Fourth Proportional to 7,881.44, 10,875.95 and 4,897.24

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Solution

The fourth proportional to 7,881.44, 10,875.95 and 4,897.24 is: 6,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.44 : 10,875.95 = 4,897.24 : x
  2. Step 2: Convert to fraction form
    7,881.44/10,875.95 = 4,897.24/x
  3. Step 3: Cross multiply
    7,881.44x = 10,875.95 × 4,897.24
  4. Step 4: Simplify right side
    7,881.44x = 53,262,151.47
  5. Step 5: Solve for x
    x = 53,262,151.47/7,881.44
  6. Step 6: Final answer
    x = 6,757.93

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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.