Home / 5,329.81-7,355.17-2,972.10

Finding the Fourth Proportional to 5,329.81, 7,355.17 and 2,972.10

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Solution

The fourth proportional to 5,329.81, 7,355.17 and 2,972.10 is: 4,101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.81 : 7,355.17 = 2,972.10 : x
  2. Step 2: Convert to fraction form
    5,329.81/7,355.17 = 2,972.10/x
  3. Step 3: Cross multiply
    5,329.81x = 7,355.17 × 2,972.10
  4. Step 4: Simplify right side
    5,329.81x = 21,860,300.76
  5. Step 5: Solve for x
    x = 21,860,300.76/5,329.81
  6. Step 6: Final answer
    x = 4,101.52

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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.