Home / 4,209.52-5,808.80-2,417.20

Finding the Fourth Proportional to 4,209.52, 5,808.80 and 2,417.20

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Solution

The fourth proportional to 4,209.52, 5,808.80 and 2,417.20 is: 3,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.52 : 5,808.80 = 2,417.20 : x
  2. Step 2: Convert to fraction form
    4,209.52/5,808.80 = 2,417.20/x
  3. Step 3: Cross multiply
    4,209.52x = 5,808.80 × 2,417.20
  4. Step 4: Simplify right side
    4,209.52x = 14,041,031.36
  5. Step 5: Solve for x
    x = 14,041,031.36/4,209.52
  6. Step 6: Final answer
    x = 3,335.54

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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.