Home / 7,256.85-10,015.30-4,071.03

Finding the Fourth Proportional to 7,256.85, 10,015.30 and 4,071.03

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Solution

The fourth proportional to 7,256.85, 10,015.30 and 4,071.03 is: 5,618.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.85 : 10,015.30 = 4,071.03 : x
  2. Step 2: Convert to fraction form
    7,256.85/10,015.30 = 4,071.03/x
  3. Step 3: Cross multiply
    7,256.85x = 10,015.30 × 4,071.03
  4. Step 4: Simplify right side
    7,256.85x = 40,772,586.76
  5. Step 5: Solve for x
    x = 40,772,586.76/7,256.85
  6. Step 6: Final answer
    x = 5,618.50

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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.