Home / 2,045.51-2,824.20-1,572.57

Finding the Fourth Proportional to 2,045.51, 2,824.20 and 1,572.57

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Solution

The fourth proportional to 2,045.51, 2,824.20 and 1,572.57 is: 2,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.51 : 2,824.20 = 1,572.57 : x
  2. Step 2: Convert to fraction form
    2,045.51/2,824.20 = 1,572.57/x
  3. Step 3: Cross multiply
    2,045.51x = 2,824.20 × 1,572.57
  4. Step 4: Simplify right side
    2,045.51x = 4,441,255.32
  5. Step 5: Solve for x
    x = 4,441,255.32/2,045.51
  6. Step 6: Final answer
    x = 2,171.22

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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.