Home / 7,901.28-10,903.56-4,363.92

Finding the Fourth Proportional to 7,901.28, 10,903.56 and 4,363.92

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Solution

The fourth proportional to 7,901.28, 10,903.56 and 4,363.92 is: 6,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.28 : 10,903.56 = 4,363.92 : x
  2. Step 2: Convert to fraction form
    7,901.28/10,903.56 = 4,363.92/x
  3. Step 3: Cross multiply
    7,901.28x = 10,903.56 × 4,363.92
  4. Step 4: Simplify right side
    7,901.28x = 47,582,263.56
  5. Step 5: Solve for x
    x = 47,582,263.56/7,901.28
  6. Step 6: Final answer
    x = 6,022.10

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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.