Home / 7,590.04-11,387.28-2,660.08

Finding the Fourth Proportional to 7,590.04, 11,387.28 and 2,660.08

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Solution

The fourth proportional to 7,590.04, 11,387.28 and 2,660.08 is: 3,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.04 : 11,387.28 = 2,660.08 : x
  2. Step 2: Convert to fraction form
    7,590.04/11,387.28 = 2,660.08/x
  3. Step 3: Cross multiply
    7,590.04x = 11,387.28 × 2,660.08
  4. Step 4: Simplify right side
    7,590.04x = 30,291,075.78
  5. Step 5: Solve for x
    x = 30,291,075.78/7,590.04
  6. Step 6: Final answer
    x = 3,990.90

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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.