Home / 4,587.28-6,880.88-1,300.40

Finding the Fourth Proportional to 4,587.28, 6,880.88 and 1,300.40

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Solution

The fourth proportional to 4,587.28, 6,880.88 and 1,300.40 is: 1,950.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,587.28 : 6,880.88 = 1,300.40 : x
  2. Step 2: Convert to fraction form
    4,587.28/6,880.88 = 1,300.40/x
  3. Step 3: Cross multiply
    4,587.28x = 6,880.88 × 1,300.40
  4. Step 4: Simplify right side
    4,587.28x = 8,947,896.35
  5. Step 5: Solve for x
    x = 8,947,896.35/4,587.28
  6. Step 6: Final answer
    x = 1,950.59

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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.