Home / 5,588.07-7,711.23-3,820.11

Finding the Fourth Proportional to 5,588.07, 7,711.23 and 3,820.11

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Solution

The fourth proportional to 5,588.07, 7,711.23 and 3,820.11 is: 5,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.07 : 7,711.23 = 3,820.11 : x
  2. Step 2: Convert to fraction form
    5,588.07/7,711.23 = 3,820.11/x
  3. Step 3: Cross multiply
    5,588.07x = 7,711.23 × 3,820.11
  4. Step 4: Simplify right side
    5,588.07x = 29,457,746.84
  5. Step 5: Solve for x
    x = 29,457,746.84/5,588.07
  6. Step 6: Final answer
    x = 5,271.54

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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.