Home / 4,587.75-6,881.72-1,509.75

Finding the Fourth Proportional to 4,587.75, 6,881.72 and 1,509.75

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Solution

The fourth proportional to 4,587.75, 6,881.72 and 1,509.75 is: 2,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,587.75 : 6,881.72 = 1,509.75 : x
  2. Step 2: Convert to fraction form
    4,587.75/6,881.72 = 1,509.75/x
  3. Step 3: Cross multiply
    4,587.75x = 6,881.72 × 1,509.75
  4. Step 4: Simplify right side
    4,587.75x = 10,389,669.22
  5. Step 5: Solve for x
    x = 10,389,669.22/4,587.75
  6. Step 6: Final answer
    x = 2,264.65

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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.