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Finding the Fourth Proportional to 5,972.85, 8,959.35 and 1,590.28

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Solution

The fourth proportional to 5,972.85, 8,959.35 and 1,590.28 is: 2,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.85 : 8,959.35 = 1,590.28 : x
  2. Step 2: Convert to fraction form
    5,972.85/8,959.35 = 1,590.28/x
  3. Step 3: Cross multiply
    5,972.85x = 8,959.35 × 1,590.28
  4. Step 4: Simplify right side
    5,972.85x = 14,247,875.12
  5. Step 5: Solve for x
    x = 14,247,875.12/5,972.85
  6. Step 6: Final answer
    x = 2,385.44

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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.