Home / 5,031.64-7,547.53-1,521.67

Finding the Fourth Proportional to 5,031.64, 7,547.53 and 1,521.67

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Solution

The fourth proportional to 5,031.64, 7,547.53 and 1,521.67 is: 2,282.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.64 : 7,547.53 = 1,521.67 : x
  2. Step 2: Convert to fraction form
    5,031.64/7,547.53 = 1,521.67/x
  3. Step 3: Cross multiply
    5,031.64x = 7,547.53 × 1,521.67
  4. Step 4: Simplify right side
    5,031.64x = 11,484,844.31
  5. Step 5: Solve for x
    x = 11,484,844.31/5,031.64
  6. Step 6: Final answer
    x = 2,282.53

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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.