Home / 4,048.80-5,587.36-2,280.24

Finding the Fourth Proportional to 4,048.80, 5,587.36 and 2,280.24

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Solution

The fourth proportional to 4,048.80, 5,587.36 and 2,280.24 is: 3,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.80 : 5,587.36 = 2,280.24 : x
  2. Step 2: Convert to fraction form
    4,048.80/5,587.36 = 2,280.24/x
  3. Step 3: Cross multiply
    4,048.80x = 5,587.36 × 2,280.24
  4. Step 4: Simplify right side
    4,048.80x = 12,740,521.77
  5. Step 5: Solve for x
    x = 12,740,521.77/4,048.80
  6. Step 6: Final answer
    x = 3,146.74

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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.