Home / 4,210.57-6,315.84-1,132.57

Finding the Fourth Proportional to 4,210.57, 6,315.84 and 1,132.57

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Solution

The fourth proportional to 4,210.57, 6,315.84 and 1,132.57 is: 1,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.57 : 6,315.84 = 1,132.57 : x
  2. Step 2: Convert to fraction form
    4,210.57/6,315.84 = 1,132.57/x
  3. Step 3: Cross multiply
    4,210.57x = 6,315.84 × 1,132.57
  4. Step 4: Simplify right side
    4,210.57x = 7,153,130.91
  5. Step 5: Solve for x
    x = 7,153,130.91/4,210.57
  6. Step 6: Final answer
    x = 1,698.85

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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.