Home / 7,471.80-10,313.68-4,641.35

Finding the Fourth Proportional to 7,471.80, 10,313.68 and 4,641.35

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Solution

The fourth proportional to 7,471.80, 10,313.68 and 4,641.35 is: 6,406.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.80 : 10,313.68 = 4,641.35 : x
  2. Step 2: Convert to fraction form
    7,471.80/10,313.68 = 4,641.35/x
  3. Step 3: Cross multiply
    7,471.80x = 10,313.68 × 4,641.35
  4. Step 4: Simplify right side
    7,471.80x = 47,869,398.67
  5. Step 5: Solve for x
    x = 47,869,398.67/7,471.80
  6. Step 6: Final answer
    x = 6,406.68

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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.