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Finding the Fourth Proportional to 4,875.70, 7,313.55 and 4,054.90

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Solution

The fourth proportional to 4,875.70, 7,313.55 and 4,054.90 is: 6,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.70 : 7,313.55 = 4,054.90 : x
  2. Step 2: Convert to fraction form
    4,875.70/7,313.55 = 4,054.90/x
  3. Step 3: Cross multiply
    4,875.70x = 7,313.55 × 4,054.90
  4. Step 4: Simplify right side
    4,875.70x = 29,655,713.90
  5. Step 5: Solve for x
    x = 29,655,713.90/4,875.70
  6. Step 6: Final answer
    x = 6,082.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.