Home / 4,587.21-6,880.86-1,124.46

Finding the Fourth Proportional to 4,587.21, 6,880.86 and 1,124.46

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Solution

The fourth proportional to 4,587.21, 6,880.86 and 1,124.46 is: 1,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,587.21 : 6,880.86 = 1,124.46 : x
  2. Step 2: Convert to fraction form
    4,587.21/6,880.86 = 1,124.46/x
  3. Step 3: Cross multiply
    4,587.21x = 6,880.86 × 1,124.46
  4. Step 4: Simplify right side
    4,587.21x = 7,737,251.84
  5. Step 5: Solve for x
    x = 7,737,251.84/4,587.21
  6. Step 6: Final answer
    x = 1,686.70

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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.