Home / 2,632.40-3,633.18-1,570.23

Finding the Fourth Proportional to 2,632.40, 3,633.18 and 1,570.23

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Solution

The fourth proportional to 2,632.40, 3,633.18 and 1,570.23 is: 2,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.40 : 3,633.18 = 1,570.23 : x
  2. Step 2: Convert to fraction form
    2,632.40/3,633.18 = 1,570.23/x
  3. Step 3: Cross multiply
    2,632.40x = 3,633.18 × 1,570.23
  4. Step 4: Simplify right side
    2,632.40x = 5,704,928.23
  5. Step 5: Solve for x
    x = 5,704,928.23/2,632.40
  6. Step 6: Final answer
    x = 2,167.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.