Home / 5,256.51-7,254.03-2,898.74

Finding the Fourth Proportional to 5,256.51, 7,254.03 and 2,898.74

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Solution

The fourth proportional to 5,256.51, 7,254.03 and 2,898.74 is: 4,000.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.51 : 7,254.03 = 2,898.74 : x
  2. Step 2: Convert to fraction form
    5,256.51/7,254.03 = 2,898.74/x
  3. Step 3: Cross multiply
    5,256.51x = 7,254.03 × 2,898.74
  4. Step 4: Simplify right side
    5,256.51x = 21,027,510.65
  5. Step 5: Solve for x
    x = 21,027,510.65/5,256.51
  6. Step 6: Final answer
    x = 4,000.28

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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.