Home / 2,417.20-3,624.45-1,117.06

Finding the Fourth Proportional to 2,417.20, 3,624.45 and 1,117.06

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Solution

The fourth proportional to 2,417.20, 3,624.45 and 1,117.06 is: 1,674.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.20 : 3,624.45 = 1,117.06 : x
  2. Step 2: Convert to fraction form
    2,417.20/3,624.45 = 1,117.06/x
  3. Step 3: Cross multiply
    2,417.20x = 3,624.45 × 1,117.06
  4. Step 4: Simplify right side
    2,417.20x = 4,048,728.12
  5. Step 5: Solve for x
    x = 4,048,728.12/2,417.20
  6. Step 6: Final answer
    x = 1,674.97

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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.