Home / 5,031.44-7,547.23-1,521.48

Finding the Fourth Proportional to 5,031.44, 7,547.23 and 1,521.48

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Solution

The fourth proportional to 5,031.44, 7,547.23 and 1,521.48 is: 2,282.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.44 : 7,547.23 = 1,521.48 : x
  2. Step 2: Convert to fraction form
    5,031.44/7,547.23 = 1,521.48/x
  3. Step 3: Cross multiply
    5,031.44x = 7,547.23 × 1,521.48
  4. Step 4: Simplify right side
    5,031.44x = 11,482,921.76
  5. Step 5: Solve for x
    x = 11,482,921.76/5,031.44
  6. Step 6: Final answer
    x = 2,282.23

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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.