Home / 4,746.53-7,120.16-1,283.75

Finding the Fourth Proportional to 4,746.53, 7,120.16 and 1,283.75

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Solution

The fourth proportional to 4,746.53, 7,120.16 and 1,283.75 is: 1,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.53 : 7,120.16 = 1,283.75 : x
  2. Step 2: Convert to fraction form
    4,746.53/7,120.16 = 1,283.75/x
  3. Step 3: Cross multiply
    4,746.53x = 7,120.16 × 1,283.75
  4. Step 4: Simplify right side
    4,746.53x = 9,140,498.98
  5. Step 5: Solve for x
    x = 9,140,498.98/4,746.53
  6. Step 6: Final answer
    x = 1,925.72

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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.