Home / 2,479.16-3,421.08-1,417.04

Finding the Fourth Proportional to 2,479.16, 3,421.08 and 1,417.04

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Solution

The fourth proportional to 2,479.16, 3,421.08 and 1,417.04 is: 1,955.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.16 : 3,421.08 = 1,417.04 : x
  2. Step 2: Convert to fraction form
    2,479.16/3,421.08 = 1,417.04/x
  3. Step 3: Cross multiply
    2,479.16x = 3,421.08 × 1,417.04
  4. Step 4: Simplify right side
    2,479.16x = 4,847,807.20
  5. Step 5: Solve for x
    x = 4,847,807.20/2,479.16
  6. Step 6: Final answer
    x = 1,955.42

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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.