Home / 7,931.04-10,945.02-4,394.51

Finding the Fourth Proportional to 7,931.04, 10,945.02 and 4,394.51

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Solution

The fourth proportional to 7,931.04, 10,945.02 and 4,394.51 is: 6,064.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.04 : 10,945.02 = 4,394.51 : x
  2. Step 2: Convert to fraction form
    7,931.04/10,945.02 = 4,394.51/x
  3. Step 3: Cross multiply
    7,931.04x = 10,945.02 × 4,394.51
  4. Step 4: Simplify right side
    7,931.04x = 48,097,999.84
  5. Step 5: Solve for x
    x = 48,097,999.84/7,931.04
  6. Step 6: Final answer
    x = 6,064.53

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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.