Home / 7,472.75-10,312.02-4,114.93

Finding the Fourth Proportional to 7,472.75, 10,312.02 and 4,114.93

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Solution

The fourth proportional to 7,472.75, 10,312.02 and 4,114.93 is: 5,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.75 : 10,312.02 = 4,114.93 : x
  2. Step 2: Convert to fraction form
    7,472.75/10,312.02 = 4,114.93/x
  3. Step 3: Cross multiply
    7,472.75x = 10,312.02 × 4,114.93
  4. Step 4: Simplify right side
    7,472.75x = 42,433,240.46
  5. Step 5: Solve for x
    x = 42,433,240.46/7,472.75
  6. Step 6: Final answer
    x = 5,678.40

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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.