Home / 7,471.02-10,307.34-4,487.70

Finding the Fourth Proportional to 7,471.02, 10,307.34 and 4,487.70

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Solution

The fourth proportional to 7,471.02, 10,307.34 and 4,487.70 is: 6,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.02 : 10,307.34 = 4,487.70 : x
  2. Step 2: Convert to fraction form
    7,471.02/10,307.34 = 4,487.70/x
  3. Step 3: Cross multiply
    7,471.02x = 10,307.34 × 4,487.70
  4. Step 4: Simplify right side
    7,471.02x = 46,256,249.72
  5. Step 5: Solve for x
    x = 46,256,249.72/7,471.02
  6. Step 6: Final answer
    x = 6,191.42

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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.