Home / 5,071.72-7,607.58-1,374.06

Finding the Fourth Proportional to 5,071.72, 7,607.58 and 1,374.06

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Solution

The fourth proportional to 5,071.72, 7,607.58 and 1,374.06 is: 2,061.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.72 : 7,607.58 = 1,374.06 : x
  2. Step 2: Convert to fraction form
    5,071.72/7,607.58 = 1,374.06/x
  3. Step 3: Cross multiply
    5,071.72x = 7,607.58 × 1,374.06
  4. Step 4: Simplify right side
    5,071.72x = 10,453,271.37
  5. Step 5: Solve for x
    x = 10,453,271.37/5,071.72
  6. Step 6: Final answer
    x = 2,061.09

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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.