Home / 7,047.48-9,725.09-3,903.67

Finding the Fourth Proportional to 7,047.48, 9,725.09 and 3,903.67

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Solution

The fourth proportional to 7,047.48, 9,725.09 and 3,903.67 is: 5,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.48 : 9,725.09 = 3,903.67 : x
  2. Step 2: Convert to fraction form
    7,047.48/9,725.09 = 3,903.67/x
  3. Step 3: Cross multiply
    7,047.48x = 9,725.09 × 3,903.67
  4. Step 4: Simplify right side
    7,047.48x = 37,963,498.25
  5. Step 5: Solve for x
    x = 37,963,498.25/7,047.48
  6. Step 6: Final answer
    x = 5,386.82

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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.