Home / 7,315.50-10,090.64-4,329.24

Finding the Fourth Proportional to 7,315.50, 10,090.64 and 4,329.24

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Solution

The fourth proportional to 7,315.50, 10,090.64 and 4,329.24 is: 5,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.50 : 10,090.64 = 4,329.24 : x
  2. Step 2: Convert to fraction form
    7,315.50/10,090.64 = 4,329.24/x
  3. Step 3: Cross multiply
    7,315.50x = 10,090.64 × 4,329.24
  4. Step 4: Simplify right side
    7,315.50x = 43,684,802.31
  5. Step 5: Solve for x
    x = 43,684,802.31/7,315.50
  6. Step 6: Final answer
    x = 5,971.54

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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.